642370444641

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43987}}^1\times {\mathrm{70549}}^1$

素因数の和:114565

約数の個数: 24

約数和(自身を含む): 968246260800

約数和(自身を除く): 325875816159

約数列:

[1, 3, 9, 23, 69, 207, 43987, 70549, 131961, 211647, 395883, 634941, 1011701, 1622627, 3035103, 4867881, 9105309, 14603643, 3103238863, 9309716589, 27929149767, 71374493849, 214123481547, 642370444641]

約数ペア:

[(1, 642370444641), (3, 214123481547), (9, 71374493849), (23, 27929149767), (69, 9309716589), (207, 3103238863), (43987, 14603643), (70549, 9105309), (131961, 4867881), (211647, 3035103), (395883, 1622627), (634941, 1011701)]